view limit_req_delay.t @ 1938:e1059682aeef

Tests: fixed ClientHello with resending Initial QUIC packets. Previously it was rebuilt each time using distinct ClientHello.random resulting in different CRYPTO payload. As such, it led to TLS digest hash and derived secrets mismatch when resending Initial packet. Now ClientHello is built once and reused when resending Initial packets. Additionally, this required to preserve a generated secret value used in shared secret calculation as part of TLS key schedule. Previously it was regenerated when receiving a Retry packet, but this won't work with reused ClientHello as the resulting shared secrets won't match.
author Sergey Kandaurov <pluknet@nginx.com>
date Wed, 30 Aug 2023 02:22:58 +0400
parents 144c6ce732e4
children
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#!/usr/bin/perl

# (C) Sergey Kandaurov
# (C) Nginx, Inc.

# Tests for nginx limit_req module, delay parameter.

###############################################################################

use warnings;
use strict;

use Test::More;

BEGIN { use FindBin; chdir($FindBin::Bin); }

use lib 'lib';
use Test::Nginx qw/ :DEFAULT http_end /;

###############################################################################

select STDERR; $| = 1;
select STDOUT; $| = 1;

my $t = Test::Nginx->new()->has(qw/http limit_req/)->plan(4);

$t->write_file_expand('nginx.conf', <<'EOF');

%%TEST_GLOBALS%%

daemon off;

events {
}

http {
    %%TEST_GLOBALS_HTTP%%

    limit_req_zone $binary_remote_addr zone=one:1m rate=30r/m;

    server {
        listen       127.0.0.1:8080;
        server_name  localhost;

        location / {
            limit_req zone=one delay=1 burst=2;
            add_header X-Time $request_time;
        }
    }
}

EOF

$t->write_file('delay.html', 'XtestX');
$t->run();

###############################################################################

like(http_get('/delay.html'), qr/^HTTP\/1.. 200 /m, 'request');
like(http_get('/delay.html'), qr/X-Time: 0.000/, 'not yet delayed');
my $s = http_get('/delay.html', start => 1, sleep => 0.2);
like(http_get('/delay.html'), qr/^HTTP\/1.. 503 /m, 'rejected');
like(http_end($s), qr/^HTTP\/1.. 200 .*X-Time: (?!0.000)/ms, 'delayed');

###############################################################################